728121816

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 2074199400

約数和(自身を除く): 1346077584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 83, 89, 111, 148, 166, 178, 222, 249, 267, 296, 332, 333, 356, 444, 498, 534, 664, 666, 712, 747, 801, 888, 996, 1068, 1332, 1369, 1494, 1602, 1992, 2136, 2664, 2738, 2988, 3071, 3204, 3293, 4107, 5476, 5976, 6142, 6408, 6586, 7387, 8214, 9213, 9879, 10952, 12284, 12321, 13172, 14774, 16428, 18426, 19758, 22161, 24568, 24642, 26344, 27639, 29548, 29637, 32856, 36852, 39516, 44322, 49284, 55278, 59096, 59274, 66483, 73704, 79032, 88644, 98568, 110556, 113627, 118548, 121841, 132966, 177288, 221112, 227254, 237096, 243682, 265932, 273319, 340881, 365523, 454508, 487364, 531864, 546638, 681762, 731046, 819957, 909016, 974728, 1022643, 1093276, 1096569, 1363524, 1462092, 1639914, 2045286, 2186552, 2193138, 2459871, 2727048, 2924184, 3279828, 4090572, 4386276, 4919742, 6559656, 8181144, 8772552, 9839484, 10112803, 19678968, 20225606, 30338409, 40451212, 60676818, 80902424, 91015227, 121353636, 182030454, 242707272, 364060908, 728121816]

約数ペア:

[(1, 728121816), (2, 364060908), (3, 242707272), (4, 182030454), (6, 121353636), (8, 91015227), (9, 80902424), (12, 60676818), (18, 40451212), (24, 30338409), (36, 20225606), (37, 19678968), (72, 10112803), (74, 9839484), (83, 8772552), (89, 8181144), (111, 6559656), (148, 4919742), (166, 4386276), (178, 4090572), (222, 3279828), (249, 2924184), (267, 2727048), (296, 2459871), (332, 2193138), (333, 2186552), (356, 2045286), (444, 1639914), (498, 1462092), (534, 1363524), (664, 1096569), (666, 1093276), (712, 1022643), (747, 974728), (801, 909016), (888, 819957), (996, 731046), (1068, 681762), (1332, 546638), (1369, 531864), (1494, 487364), (1602, 454508), (1992, 365523), (2136, 340881), (2664, 273319), (2738, 265932), (2988, 243682), (3071, 237096), (3204, 227254), (3293, 221112), (4107, 177288), (5476, 132966), (5976, 121841), (6142, 118548), (6408, 113627), (6586, 110556), (7387, 98568), (8214, 88644), (9213, 79032), (9879, 73704), (10952, 66483), (12284, 59274), (12321, 59096), (13172, 55278), (14774, 49284), (16428, 44322), (18426, 39516), (19758, 36852), (22161, 32856), (24568, 29637), (24642, 29548), (26344, 27639)]